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Online Acceptable Quality Level Calculator

Below the AQL Tables used by this Calculator

Note that while the Calculator of course is accurate, we are still working on these below Tables to make them 100% without being confusing

Inspection Level: General Level I
Lot Size Code Letter Sample Size 0.65 1.0 1.5 2.5 4.0 6.5 10 15
2_8 A 2 0 0 0 0 0 0 1 1
9_15 A 2 0 0 0 0 0 0 1 1
16_25 B 3 0 0 0 0 0 0 1 1
26_50 C 5 0 0 0 0 0 1 1 2
51_90 C 5 0 0 0 0 0 1 1 2
91_150 D 8 0 0 0 0 1 1 2 3
151_280 E 13 0 0 0 0 1 2 3 6
281_500 F 20 0 0 1 1 2 3 5 7
501_1200 G 32 1 1 1 2 3 5 7 10
1201_3200 H 50 1 1 2 3 5 7 10 14
3201_10000 J 80 1 2 3 5 7 10 14 21
10001_35000 K 125 2 3 5 7 10 14 21 21
35001_150000 L 200 3 5 7 10 14 21 21 21
150001_500000 M 315 5 7 10 14 21 21 21 21
500001 N 500 7 10 14 21 21 21 21 21
Inspection Level: General Level II
Lot Size Code Letter Sample Size 0.65 1.0 1.5 2.5 4.0 6.5 10 15
2_8 A 20 0 0 0 0 0 0 1 1
9_15 B 20 0 0 0 0 0 0 1 1
16_25 C 20 0 0 0 0 0 1 1 2
26_50 D 20 0 0 0 0 1 1 2 3
51_90 E 20 0 0 0 0 1 2 3 6
91_150 F 20 0 0 1 1 2 3 5 7
151_280 G 20 1 1 1 2 3 5 7 10
281_500 H 20 1 1 2 3 5 7 10 14
501_1200 J 20 1 2 3 5 7 10 14 21
1201_3200 K 20 2 3 5 7 10 14 21 21
3201_10000 L 20 3 5 7 10 14 21 21 21
10001_35000 M 20 5 7 10 14 21 21 21 21
35001_150000 N 20 7 10 14 21 21 21 21 21
150001_500000 P 20 10 14 21 21 21 21 21 21
500001 Q 20 14 21 21 21 21 21 21 21
Inspection Level: General Level III
Lot Size Code Letter Sample Size 0.65 1.0 1.5 2.5 4.0 6.5 10 15
2_8 B 20 0 0 0 0 0 0 1 1
9_15 C 20 0 0 0 0 0 1 1 2
16_25 D 20 0 0 0 0 1 1 2 3
26_50 E 20 0 0 0 0 1 2 3 6
51_90 F 20 0 0 1 1 2 3 5 7
91_150 G 20 1 1 1 2 3 5 7 10
151_280 H 20 1 1 2 3 5 7 10 14
281_500 J 20 1 2 3 5 7 10 14 21
501_1200 K 20 2 3 5 7 10 14 21 21
1201_3200 L 20 3 5 7 10 14 21 21 21
3201_10000 M 20 5 7 10 14 21 21 21 21
10001_35000 N 20 7 10 14 21 21 21 21 21
35001_150000 P 20 10 14 21 21 21 21 21 21
150001_500000 Q 20 14 21 21 21 21 21 21 21
500001 R 20 21 21 21 21 21 21 21 21